Bajaj Finance — my pan is being used to avail loan

I am vinod shanmugam and do not have any loan relationship with bajaj. When i extracted my cibil report yesterday, i can see address and phone number which has been updated by bajaj finance for my pan and i can see some suspicious transactions trying to be made using my pan number. Do let me know how i can file al legal suit against these guys who are trying to use my pan to a get loan for others illegally using mine.